[Term] id: PR:000028821 name: neurexin-1-beta isoform b1 def: "A neurexin-1-beta that is a translation product of some mRNA whose exon structure and start site selection renders it capable of giving rise to a protein with the amino acid sequence represented by UniProtKB:Q63373-1 or a 1:1 ortholog thereof." [PRO:DAN] comment: Category=sequence. synonym: "NRXN1/iso:b1" EXACT PRO-short-label [PRO:DAN] synonym: "neurexin-1-beta isoform 1b" NARROW [UniProtKB:P0DI97] property_value: has_archetype PR:Q63373-1 is_a: PR:000029251 ! neurexin-1-beta